Positioning structure for hydraulic machine tool

Abstract

The positioning structure for the hydraulic machine tool comprises a bottom plate, the front face of the bottom plate is fixedly connected with an installation plate, the front face of the installation plate is fixedly connected with a supporting plate, and the front face of the bottom plate is provided with a positioning assembly. According to the positioning structure for the hydraulic machine tool, when a workpiece is positioned, a second motor is started to drive a driving gear and a driven gear to be in meshing transmission, so that a threaded sleeve rotates on the outer surface of a connecting rod and is in threaded meshing with a threaded rod, and a moving plate is driven to move on the outer surface of the connecting rod under the condition that two sliding blocks are in sliding connection with a guide plate; a workpiece is positioned and clamped to a proper position by the two positioning plates, so that manual positioning is not needed during machining; when one side face of the workpiece needs to be turned over, the first motor is started to drive the left positioning plate to rotate, so that the workpiece rotates in the supporting plate in the clamped state and is turned over to the needed side face, and therefore the purposes of reducing the working intensity and improving the machining efficiency and the machining precision are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic machine tools, in particular to a positioning structure for hydraulic machine tools. Background Art

[0002] A hydraulic lathe refers to a lathe that uses hydraulic tool feeding. It can drive different tool holders to move according to specified commands through the oil cylinder, and can realize automatic processing of workpieces. The hydraulic lathe is equipped with 2 to 6 independent tool holders, each of which can be equipped with multiple tools. The advance and retreat of the guide rails are pushed and retracted by the oil cylinder, and the special damping cylinder is used for steady speed control, which perfectly realizes fast forward, fast reverse and slow speed switching. This machine tool is suitable for customers with multiple varieties, multiple specifications, medium and large batches and certain precision requirements for products.

[0003] The existing positioning device has poor adjustability after fixation. At the same time, after processing one side of the workpiece, the fixation of the workpiece needs to be released, and the workpiece needs to be removed, turned over and re-clamped, resulting in reduced work efficiency. Manual turning will also affect the processing accuracy. Therefore, a positioning structure for a hydraulic machine tool is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a positioning structure for a hydraulic machine tool, which has the advantages that the workpiece can be automatically clamped and positioned when being positioned, and the processing surface can be switched without manual flipping after processing one side. This solves the problem that the existing workpiece is manually positioned when being positioned, and needs to be manually disassembled and flipped after processing one side, resulting in reduced processing efficiency and affected processing accuracy.

[0005] To achieve the above object, the utility model provides the following technical solution: a positioning structure for a hydraulic machine tool, comprising a base plate, a mounting plate fixedly connected to the front of the base plate, a support plate fixedly connected to the front of the mounting plate, and a positioning assembly arranged on the front of the base plate;

[0006] The positioning assembly includes two guide plates, the two guide plates are fixedly connected to the bottom plate, the two guide plates are internally slidably connected with two sliding blocks, the two sliding blocks are fixedly connected to the same moving plate on opposite sides, the moving plate is fixedly connected to the first motor on the front side, the first motor is rotatably connected to the positioning plate on the opposite side of the support plate, the two positioning plates are elastically connected to the limiting plates on the inside, the left side of the mounting plate is fixedly connected to the threaded rod, the right side of the moving plate is fixedly connected to the connecting rod, the outer surface of the connecting rod is rotatably connected to the threaded sleeve, the outer surface of the threaded sleeve is fixedly connected to the driven gear, the front side of the sliding block on the top is fixedly connected to the support plate, the right side of the support plate is fixedly connected to the second motor, one end of the output shaft of the second motor is fixedly connected to the driving gear, and the driving gear is meshed with the driven gear for transmission.

[0007] Furthermore, a fastening bolt is passed through the interior of the mounting plate, and the mounting plate is fixedly connected to the base plate through the fastening bolt. A rotating hole is opened inside the support plate, and the positioning plate on the right side rotates inside the support plate through the rotating hole.

[0008] Furthermore, the two guide plates are provided with sliding grooves inside, and the two sliding blocks slide inside the two guide plates through the sliding grooves, and the positioning plate on the left is driven to rotate by the output shaft of the first motor.

[0009] Furthermore, the left and right sides of the driven gear are fixedly connected with limit rods, the internal shapes of the two limit rods are both L-shaped rods, an annular groove is opened inside the driving gear, and the two limit rods are slidably connected to the two annular grooves.

[0010] Furthermore, a protective cover is fixedly connected to the right side of the support plate, and the second motor is fixedly connected to the support plate through the protective cover.

[0011] Furthermore, a fixed sleeve is fixedly connected to the left side of the mounting plate, a telescopic rod is fixedly connected to the right side of the movable plate, and the outer surface of the telescopic rod and the left side of the fixed sleeve are fixedly connected to the same connecting spring.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The positioning structure for the hydraulic machine tool, when the workpiece is being positioned, starts the second motor to drive the driving gear and the driven gear to mesh and transmit, so that the threaded sleeve rotates on the outer surface of the connecting rod and meshes with the threaded rod, drives the moving plate to slide with the two sliding blocks and the guide plate, so that the two positioning plates position and clamp the workpiece to a suitable position, thereby achieving the goal of not requiring manual positioning during processing; when it is necessary to flip one side of the workpiece, starts the first motor to drive the left positioning plate to rotate, so that the workpiece rotates inside the support plate in a clamped state and flips to the required side, thereby achieving the goal of reducing work intensity and improving processing efficiency and processing accuracy.

[0014] 2. The positioning structure for the hydraulic machine tool is provided with a telescopic rod and a fixed sleeve, so that when the movable plate moves, the telescopic rod can slide inside the fixed sleeve, and the connecting spring can play a buffering role to ensure that the movement is more stable; by providing two limit rods, when the driving gear is meshed with the driven gear, the two limit rods can slide inside the annular groove, ensuring that when the threaded sleeve is driven to rotate and move, misalignment is avoided as much as possible. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the main cross-sectional view of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the structure of the utility model.

[0017] In the figure: 1, bottom plate; 2, mounting plate; 3, support plate; 4, guide plate; 5, sliding block; 6, moving plate; 7, first motor; 8, positioning plate; 9, limit plate; 10, threaded rod; 11, connecting rod; 12, threaded sleeve; 13, driven gear; 14, support plate; 15, second motor; 16, driving gear; 17, limit rod; 18, fixed sleeve; 19, telescopic rod; 20, connecting spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2A positioning structure for a hydraulic machine tool in this embodiment includes a base plate 1, a mounting plate 2 is fixedly connected to the front of the base plate 1, fastening bolts are penetrated inside the mounting plate 2, the mounting plate 2 is fixedly connected to the base plate 1 through the fastening bolts, a support plate 3 is fixedly connected to the front of the mounting plate 2, and a positioning component is arranged on the front of the base plate 1.

[0020] The positioning assembly includes two guide plates 4, which are fixedly connected to the base plate 1. Two sliding blocks 5 are slidably connected inside the two guide plates 4. The two sliding blocks 5 are fixedly connected to the same moving plate 6 on opposite sides. A first motor 7 is fixedly connected to the front of the moving plate 6. The first motor 7 is rotatably connected to a positioning plate 8 on the opposite side of the support plate 3. A rotating hole is opened inside the support plate 3, and the right positioning plate 8 rotates inside the support plate 3 through the rotating hole.

[0021] The insides of the two positioning plates 8 are elastically connected to the limiting plates 9, the left side of the mounting plate 2 is fixedly connected to a threaded rod 10, the right side of the moving plate 6 is fixedly connected to a connecting rod 11, the outer surface of the connecting rod 11 is rotatably connected to a threaded sleeve 12, and the outer surface of the threaded sleeve 12 is fixedly connected to a driven gear 13.

[0022] A support plate 14 is fixedly connected to the front of the top sliding block 5, a second motor 15 is fixedly connected to the right side of the support plate 14, a protective cover is fixedly connected to the right side of the support plate 14, and the second motor 15 is fixedly connected to the support plate 14 through the protective cover.

[0023] One end of the output shaft of the second motor 15 is fixedly connected to a driving gear 16, which meshes with the driven gear 13 for transmission. The left and right sides of the driven gear 13 are fixedly connected to limit rods 17, and the internal shapes of the two limit rods 17 are both L-shaped rods. An annular groove is provided inside the driving gear 16, and the two limit rods 17 are slidably connected to the two annular grooves.

[0024] A fixed sleeve 18 is fixedly connected to the left side of the mounting plate 2 , a telescopic rod 19 is fixedly connected to the right side of the movable plate 6 , and a connecting spring 20 is fixedly connected to the outer surface of the telescopic rod 19 and the left side of the fixed sleeve 18 .

[0025] In this embodiment, by providing the telescopic rod 19 and the fixed sleeve 18, when the movable plate 6 moves, the telescopic rod 19 can slide inside the fixed sleeve 18, and the connecting spring 20 can play a buffering role to ensure stronger stability of movement.

[0026] In this embodiment, two limit rods 17 are provided so that when the driving gear 16 is meshed with the driven gear 13, the two limit rods 17 can slide inside the annular groove, thereby ensuring that misalignment is avoided as much as possible when the threaded sleeve 12 is driven to rotate and move.

[0027] The working principle of the above embodiment is:

[0028] The positioning structure of the hydraulic machine tool, when the workpiece is being positioned, starts the second motor 15 to drive the driving gear 16 to mesh with the driven gear 13 for transmission, so that the threaded sleeve 12 rotates on the outer surface of the connecting rod 11 and is threadedly meshed with the threaded rod 10, driving the movable plate 6 in the case where two sliding blocks 5 are slidably connected with the guide plate 4, so that the two positioning plates 8 position and clamp the workpiece to a suitable position, thereby achieving no need for manual positioning during processing; when it is necessary to flip one side of the workpiece, starts the first motor 7 to drive the left positioning plate 8 to rotate, so that the workpiece rotates inside the support plate 3 in a clamped state, and flips to the required side, thereby achieving the purpose of reducing work intensity and improving processing efficiency and processing accuracy.

[0029] It should be noted that the standard parts used in the application can be purchased from the market, special-shaped parts can be customized according to the description in the specification and drawings, and the specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art, and conventional means. Machinery, parts and equipment all adopt conventional models in the prior art; plus the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning structure for a hydraulic machine tool, comprising a base plate (1), characterized in that: The front side of the base plate (1) is fixedly connected to a mounting plate (2), the front side of the mounting plate (2) is fixedly connected to a support plate (3), and the front side of the base plate (1) is provided with a positioning assembly; The positioning assembly comprises two guide plates (4), the two guide plates (4) are fixedly connected to the bottom plate (1), two sliding blocks (5) are slidably connected inside the two guide plates (4), the two sliding blocks (5) are fixedly connected to the same moving plate (6) on opposite sides, the moving plate (6) is fixedly connected to a first motor (7) on the front side, the first motor (7) is rotatably connected to a positioning plate (8) on the opposite side to the support plate (3), the two positioning plates (8) are elastically connected to a limiting plate (9) inside, and the left side of the mounting plate (2) is fixedly connected to the first motor (7) and the supporting plate (3). A threaded rod (10) is connected, the right side of the movable plate (6) is fixedly connected to a connecting rod (11), the outer surface of the connecting rod (11) is rotatably connected to a threaded sleeve (12), the outer surface of the threaded sleeve (12) is fixedly connected to a driven gear (13), the front side of the top sliding block (5) is fixedly connected to a support plate (14), the right side of the support plate (14) is fixedly connected to a second motor (15), one end of the output shaft of the second motor (15) is fixedly connected to a driving gear (16), and the driving gear (16) is meshed with the driven gear (13) for transmission.

2. A positioning structure for a hydraulic machine tool according to claim 1, characterized in that: A fastening bolt is inserted into the interior of the mounting plate (2), and the mounting plate (2) is fixedly connected to the base plate (1) via the fastening bolt. A rotating hole is opened in the interior of the support plate (3), and the positioning plate (8) on the right side rotates inside the support plate (3) via the rotating hole.

3. A positioning structure for a hydraulic machine tool according to claim 1, characterized in that: The two guide plates (4) are provided with sliding grooves inside, and the two sliding blocks (5) slide inside the two guide plates (4) through the sliding grooves. The left positioning plate (8) is driven to rotate by the output shaft of the first motor (7).

4. A positioning structure for a hydraulic machine tool according to claim 1, characterized in that: The left and right sides of the driven gear (13) are fixedly connected to limit rods (17), the internal shapes of the two limit rods (17) are both L-shaped rods, an annular groove is provided inside the driving gear (16), and the two limit rods (17) are slidably connected to the two annular grooves.

5. The positioning structure for a hydraulic machine tool according to claim 1, characterized in that: A protective cover is fixedly connected to the right side of the support plate (14), and the second motor (15) is fixedly connected to the support plate (14) via the protective cover.

6. A positioning structure for a hydraulic machine tool according to claim 1, characterized in that: The left side of the mounting plate (2) is fixedly connected to a fixed sleeve (18), the right side of the movable plate (6) is fixedly connected to a telescopic rod (19), and the outer surface of the telescopic rod (19) and the left side of the fixed sleeve (18) are fixedly connected to a same connecting spring (20).

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